I also have a similar configuration, but with a 9" flat ceiling a 12'rear opening in the center of the rear wall (an entry/foyer followed by a 12' hallway). I found that a Janis 15" Subwoofer placed in the rear corner added a significant demensional improvement.
This unit is upward fired, and has a variable output. But once you have it set it blends very well.I have no experience with diffusion or other sound treatments. Other responces are very positve, but I am concerned cosmetics.
This unit is upward fired, and has a variable output. But once you have it set it blends very well.I have no experience with diffusion or other sound treatments. Other responces are very positve, but I am concerned cosmetics.